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Welding Of Cast Iron Parts. Instead the slower the whole component cools the better. With these electrodes a firmer bond of weld metal with the cast-iron can be made and a fairly machinable weld is achieved.
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Dont heat over 1400 degrees F since that will put the material into the critical temperature range. Flux cored wires nickel-iron and nickel-iron-manganese wires are also available for welding cast irons. Provides easy arc striking and restriking stable arc and smooth bead surface.
Braze welding is a common method for joining cast iron parts due to the minimal impact on the base metal itself.
The 99 percent rod leaves a softer material in the weld and is suitable for machining if you need a flat surface when youre done. Note how the color is exactly the same as the base material. Powders are based on nickel with additions of iron chromium and cobalt to give a range of hardnesses. Welding-cast-iron deals with classes known as Gray Malleable and Nodular or Ductile according to typical appearance of their microstructure which affects their properties.
